SPU notes

IP address of the public download server is changed from 64.131.90.141 to 199.115.104.141. Starting from Parallels H-Sphere 3.5.1 SPU 54 release "download.hsphere.parallels.com" should be used for all download server references

# sh U35.0P1.spu hspackages spu [ips=<list of selected physical servers>]ipsparameter value should be a comma-separated list of physical servers’ IP addresses; you may specify it if you want to update servers bunch by bunch; and if you want to update all installation at once - just omit this parameter. Additional information about installation/update script you can read in Parallels H-Sphere 3.5.1Upgrade Guide
(http://hsphere.parallels.com/docs/3.5.1/upgrade/html/hsphere-updater.html).
Example:# sh U35.0P1.spu hspackages spu ips=192.0.2.10,192.0.2.12